Rougie, or dye

—For every pound of woollen stuff, take 2 drams of cream of tartar. When the bath begins to boil, add 1 ounce of cochineal reduced to fine powder, stir the mixture well with a rod of willow or any white wood, and let it boil for a few minutes. Then pour in, by succe ive portions, 1 ounce of solution of tin ( Mordant F ), stirring continually with the rod. Lastly, dye as quickly as po ible. The colour will be a beautiful scarlet. Second scarlet proce of Poërner , the bouillon being the same as above given, and always estimated for 1 pound of cloth or wool. Rougie. —Take one ounce of cochineal in fine powder, and two ounces of solution of tin without tartar. Third scarlet proce of Poërner ; the bouillon being as above. Rougie for a pound of cloth.—Take two drams of cream of tartar, one ounce of cochineal, one ounce of solution of tin, and two ounces of sea salt: dye as in proce 1. The salt helps the dye to penetrate into the cloth. Tables of the Composition of the Bouillon and Rougie , by different Authors, for 100 pounds of Cloth or Wool. Composition of the Bouillon. | Names of the Authors. | Starch. | Cream of Tartar. | Cochi- neal. | Solution of Tin. | Common Salt. | | lb. | oz. | lb. | oz. | lb. | dr. | lb. | oz. | lb. | oz. | | Berthollet | 0 | 0 | 6 | 0 | 8 | 0 | 5 | 0 | 0 | 0 | | Hellot | 0 | 0 | 12 | 8 | 18 | 6 | 12 | 8 | 0 | 0 | | Scheffer | 9 | 6 | 9 | 6 | 12 | 4 | 9 | 6 | 0 | 0 | | Poërner | 0 | 0 | 10 | 15 | 0 | 0 | 10 | 15 | 0 | 0 |